11200221001021 has 8 divisors (see below), whose sum is σ = 12062765060640. Its totient is φ = 10337818169712.

The previous prime is 11200221001019. The next prime is 11200221001049. The reversal of 11200221001021 is 12010012200211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11200221001021 - 2¹ = 11200221001019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11200221000992 and 11200221001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200221001001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35142331 + ... + 35459608.

It is an arithmetic number, because the mean of its divisors is an integer number (1507845632580).

Almost surely, 2^{11200221001021} is an apocalyptic number.

It is an amenable number.

11200221001021 is a deficient number, since it is larger than the sum of its proper divisors (862544059619).

11200221001021 is a wasteful number, since it uses less digits than its factorization.

11200221001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70614155.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11200221001021 its reverse (12010012200211), we get a palindrome (23210233201232).

The spelling of 11200221001021 in words is "eleven trillion, two hundred billion, two hundred twenty-one million, one thousand, twenty-one".